OleBowle at gmx.de
Tue Apr 10 09:51:30 UTC 2001
Am Dienstag, 10. April 2001 01:37 schrieben Sie:
> hi everyone,
> I'm trying to write a kde application with kdevelop 1.3, that uses 4
> different dialog windows.
> I created the dialogs with the kdevelop dialog editor and made the
> source files of all the dialogs.
> Now I 've got the class_1 for dialog 1, class_2 for dialog 2, etc.
> in the main() finction of my application I created the objects of all my
> dialog classes with code like this:
> class_1 *class1 = new class_1();
> class_2 *class2 = new class_2();
> ok, so far everything works fine, but now I want to connect the signal
> clicked of the QPushButton widget in
> class_1 with the show() slot in class_2. When I try:
> QObject::connect( QPushButton, SIGNAL(clicked()), class_2,
> I get an error because the QPushButton is declared as protected(by the
> dialog editor).
> Do I have to declare QPushButton manually as public or is there another
> way to do this?????
> Thank you!!!!
It's better to create another signal (e.g. sigNext) in the first dialog
(class_1) and connect the button's signal (clicked) to your signal in
connect( myButton, SIGNAL(clicked()), this, SIGNAL(sigNext()) );
Now you can connect the dialogs signal to the second dialogs show-slot in
Something general: I don't know what your application does, but it sounds
like a wizard-like program (like the wizard you create a new project in
KDevelop with). We have much better ways to implement this. You should take a
look at the classes KWizard/QWizard.
To learn more about KDE2-programing I recommend the book "KDE 2 development".
you may order it or take a look in the online-HTML-version. You should take a
look at chapter 8 ("Using dialog boxes").
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